Attorney General John Ashcroft on Tuesday called on "all Americans to be on the highest state of alert" after an FBI warning of a possible imminent terrorist attack. The FBI issued a terrorism alert ...

During a press availability at the State Department, U.S. Secretary of State Marco Rubio sharply criticized Iran’s leaders.

The expiration of the last remaining nuclear treaty between the United States and Russia on Thursday has sparked fears about ...

US President Donald Trump warned Iran’s supreme leader should be “very worried,” as both sides prepare for their first formal negotiations since the US bombed Tehran’s nuclear program last year.

Iran and the United States are holding talks on Friday in Oman, with Tehran pushing to focus squarely on its nuclear ...

U.N. human rights chief Volker Turk said Thursday his agency was "in survival mode" due to funding shortfalls and launched a ...